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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Guidelines for quality grading of consumer products—Writing instruments
Standard published on 31.10.2025
Selected format:Textile machinery and accessories—Two-for-one twisters—Vocabulary
Standard published on 31.10.2025
Selected format:Alumina continuous fibre
Standard published on 31.10.2025
Selected format:Alumina staple fibre
Standard published on 31.10.2025
Selected format:Geosynthetics—Test for UV aging resistance—Fluorescent UV lamp method
Standard published on 31.10.2025
Selected format:The general technical specifications for non-metallic basic body infrared heater
Standard published on 30.6.2008
Selected format:Textiles—Determination of microorganisms
Standard published on 31.10.2025
Selected format:Hammocks
Standard published on 31.10.2025
Selected format:Textiles—Test method of reflective performance
Standard published on 31.10.2025
Selected format:Integrity management of non-metallic pipeline for oil and gas transmission
Standard published on 2.12.2025
Selected format:Latest update: 2026-11-10 (Number of items: 2 209 227)
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